from tkinter import *

coords = [0, 0, 10, 0, 10, 10, 20, 10, 20, 30, 10, 30, 10, 20, 0, 20]

root = Tk()
root.title("ИТ марафон")
root.geometry("500x500")

canvas = Canvas(bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)

x = int(input())
y = int(input())
N = int(input())

if N == 0 and x>=0 and x<= 500 and y>=0 and y<=500:
    pass
else:
    if N > 0 and 0*N+x>=0 and 0*N+y>=0 and 20*N+x<=500 and 30*N+y<=500:
        pass
    else:
        if N < 0 and 20*N+x>=0 and 30*N+y>=0 and 0*N+x<=500 and 0*N+y<=500:
            pass
        else:
            print('Размеры фигуры превышает максимальный размер поля')
            exit()
            
canvas.create_polygon(coords [0] *N+x, coords [1] *N+y, 
                      coords [2] *N+x, coords [3] *N+y,
                      coords [4] *N+x, coords [5] *N+y,
                      coords [6] *N+x, coords [7] *N+y,
                      coords [8] *N+x, coords [9] *N+y,
                      coords [10] *N+x, coords [11] *N+y,
                      coords [12] *N+x, coords [13] *N+y,
                      coords [14] *N+x, coords [15] *N+y)

root.mainloop()